JP3200469B2 - 直線変位測定装置 - Google Patents
直線変位測定装置Info
- Publication number
- JP3200469B2 JP3200469B2 JP16127492A JP16127492A JP3200469B2 JP 3200469 B2 JP3200469 B2 JP 3200469B2 JP 16127492 A JP16127492 A JP 16127492A JP 16127492 A JP16127492 A JP 16127492A JP 3200469 B2 JP3200469 B2 JP 3200469B2
- Authority
- JP
- Japan
- Prior art keywords
- emitter
- plate
- electric field
- track
- conductive
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
- G01B7/16—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring the deformation in a solid, e.g. by resistance strain gauge
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
- Length Measuring Devices With Unspecified Measuring Means (AREA)
- Investigating Or Analyzing Materials Using Thermal Means (AREA)
- Length Measuring Devices By Optical Means (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US722487 | 1991-06-21 | ||
US07/722,487 US5174159A (en) | 1991-06-21 | 1991-06-21 | Linear displacement and strain measuring apparatus |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH05187807A JPH05187807A (ja) | 1993-07-27 |
JP3200469B2 true JP3200469B2 (ja) | 2001-08-20 |
Family
ID=24902055
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP16127492A Expired - Fee Related JP3200469B2 (ja) | 1991-06-21 | 1992-06-19 | 直線変位測定装置 |
Country Status (6)
Country | Link |
---|---|
US (1) | US5174159A (fr) |
EP (1) | EP0519335B1 (fr) |
JP (1) | JP3200469B2 (fr) |
AT (1) | ATE142773T1 (fr) |
CA (1) | CA2070738C (fr) |
DE (1) | DE69213573T2 (fr) |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH05215627A (ja) * | 1992-02-04 | 1993-08-24 | Kazuhiro Okada | 多次元方向に関する力・加速度・磁気の検出装置 |
US5553486A (en) * | 1993-10-01 | 1996-09-10 | Hysitron Incorporated | Apparatus for microindentation hardness testing and surface imaging incorporating a multi-plate capacitor system |
US5576483A (en) * | 1993-10-01 | 1996-11-19 | Hysitron Incorporated | Capacitive transducer with electrostatic actuation |
US5661235A (en) * | 1993-10-01 | 1997-08-26 | Hysitron Incorporated | Multi-dimensional capacitive transducer |
US6026677A (en) * | 1993-10-01 | 2000-02-22 | Hysitron, Incorporated | Apparatus for microindentation hardness testing and surface imaging incorporating a multi-plate capacitor system |
JP3672921B2 (ja) * | 1993-10-01 | 2005-07-20 | ヒシトロン インコーポレイテッド | 高精度のスケール及び位置センサ |
US5907102A (en) * | 1997-04-15 | 1999-05-25 | Florida State University | System and method for performing tensile stress-strain and fatigue tests |
US6575041B2 (en) * | 1999-02-05 | 2003-06-10 | Northrop Grumman Corporation | Capacitive strain gage and method |
US6748810B2 (en) | 2002-02-11 | 2004-06-15 | Bill Christensen | Load sensor |
US20050076715A1 (en) * | 2003-10-13 | 2005-04-14 | Kuklis Matthew M. | Shear sensor apparatus |
WO2008042009A1 (fr) | 2006-03-13 | 2008-04-10 | Asylum Research Corporation | Nanopénétrateur |
US20090007696A1 (en) * | 2007-07-05 | 2009-01-08 | Nitta Corporation | Strain gauge type sensor |
US7661313B2 (en) * | 2007-11-05 | 2010-02-16 | The United States Of America As Represented By The Secretary Of The Navy | Acceleration strain transducer |
WO2010051264A1 (fr) * | 2008-10-28 | 2010-05-06 | Pile Dynamics, Inc. | Capteur de contrainte et de déplacement, et système et procédé d’utilisation |
GB2489941A (en) * | 2011-04-11 | 2012-10-17 | Melexis Tessenderlo Nv | Fault detection in difference measurement circuit-based sensors by changing the read-out configuration |
US9097620B2 (en) | 2013-02-14 | 2015-08-04 | Appvion, Inc. | Deflection indication gauge |
WO2018157015A1 (fr) | 2017-02-27 | 2018-08-30 | Pile Dynamics, Inc. | Système de mesure de contrainte sans contact et son procédé d'utilisation |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1201308A (en) * | 1966-09-12 | 1970-08-05 | Central Electr Generat Board | Improvements in or relating to strain measuring methods |
US4030347A (en) * | 1975-10-31 | 1977-06-21 | Electrical Power Research Institute | Biaxial capacitance strain transducer |
JPS6093312A (ja) * | 1983-10-27 | 1985-05-25 | Mitsutoyo Mfg Co Ltd | 容量式変位測定機 |
CH665714A5 (fr) * | 1985-11-22 | 1988-05-31 | Hans Ulrich Meyer | Dispositif de mesure capacitif de longueurs et d'angles. |
US4811254A (en) * | 1985-12-17 | 1989-03-07 | Nippon Gakki Seizo Kabushiki Kaisha | Displacement detector for an encoder |
CH670306A5 (fr) * | 1986-11-13 | 1989-05-31 | Hans Ulrich Meyer | |
US4944181A (en) * | 1988-08-30 | 1990-07-31 | Hitec Products, Inc. | Capacitive strain gage having fixed capacitor plates |
-
1991
- 1991-06-21 US US07/722,487 patent/US5174159A/en not_active Expired - Lifetime
-
1992
- 1992-06-08 CA CA002070738A patent/CA2070738C/fr not_active Expired - Fee Related
- 1992-06-11 AT AT92109872T patent/ATE142773T1/de not_active IP Right Cessation
- 1992-06-11 DE DE69213573T patent/DE69213573T2/de not_active Expired - Fee Related
- 1992-06-11 EP EP92109872A patent/EP0519335B1/fr not_active Expired - Lifetime
- 1992-06-19 JP JP16127492A patent/JP3200469B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP0519335A3 (en) | 1993-07-21 |
DE69213573D1 (de) | 1996-10-17 |
JPH05187807A (ja) | 1993-07-27 |
DE69213573T2 (de) | 1997-01-23 |
EP0519335A2 (fr) | 1992-12-23 |
CA2070738A1 (fr) | 1992-12-22 |
CA2070738C (fr) | 1996-07-02 |
ATE142773T1 (de) | 1996-09-15 |
EP0519335B1 (fr) | 1996-09-11 |
US5174159A (en) | 1992-12-29 |
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